Explain the mechanism of water absorption by plants
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0
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2313
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July 22, 2016
|
What are the advantages and disadvantages of transpiration?
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1
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10186
|
July 22, 2016
|
Describe transpirational pull model of water transport in plants
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0
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2154
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July 22, 2016
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What is guttation ? How it is affected by root pressure?
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0
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1431
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July 22, 2016
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Describe the role played by protein pumps during active transport in plants
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0
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1243
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July 22, 2016
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State the various features of leaves that increase or decrease transpiration
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0
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544
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July 22, 2016
|
What role does root pressure play in water movement in plants?
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0
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1792
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July 22, 2016
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What are the functions of turgor pressure ? OR Write the significance of turgor pressure
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0
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1549
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July 22, 2016
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Discuss the factors responsible for ascent of xylem sap in plants
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0
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4482
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July 22, 2016
|
How do rise in temperature and wind velocity affect transpiration ? Write any two adaptations shown by plants to reduce transpiration
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0
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1309
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July 22, 2016
|
What is wilting ? Briefly explain its types
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0
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5780
|
July 22, 2016
|
What are aquaporins?
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0
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1724
|
July 22, 2016
|
Why rate of transpiration increases with an increase in root-shoot ratio?
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0
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748
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July 22, 2016
|
What are photoactive and scotoactive types of stomata?
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0
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7679
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July 22, 2016
|
How is ascent of sap occurs?
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0
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686
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July 22, 2016
|
Which metal element is involved in the opening and closing of stomata?
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0
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1601
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July 22, 2016
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Name the theory proposed by Dixon for ascent of sap
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0
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640
|
July 22, 2016
|
When does wilting occurs?
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0
|
615
|
July 22, 2016
|
What is absorption lag?
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0
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1246
|
July 22, 2016
|
What is atmometer?
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0
|
557
|
July 22, 2016
|
Why is energy required to develop root pressure?
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0
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1336
|
July 22, 2016
|
Which fraction of soil water is available to plants for absorption by roots?
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0
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1656
|
July 22, 2016
|
What is trans-membrane pathway?
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0
|
510
|
July 22, 2016
|
Define translocation
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0
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1482
|
July 22, 2016
|
Explain the structure of stomata. What role do they play in transpiration ? OR
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1
|
4138
|
July 22, 2016
|
Define osmotic pressure. Explain how it influences other components of cell water relations in plants
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0
|
1553
|
July 22, 2016
|
Explain the mechanism of uptake of minerals by the plants
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0
|
851
|
July 22, 2016
|
How are K+ ions helpful in the opening and closing of stomata ? Explain Malate or K+ ion pump hypothesis
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0
|
13245
|
July 22, 2016
|
What are the factor affecting stomatal movements?
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0
|
5439
|
July 22, 2016
|
Briefly describe water potential. What are the factors affecting it?
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0
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5517
|
July 22, 2016
|